Question

What energy conversion occurs when a battery powered car rolls across the floor?

A. Stored chemical energy is converted to mechanical energy.

B. Stored electrical energy is converted to mechanical energy.

C. Stored mechanical energy is converted to mechanical energy.

D. Stored nuclear energy is converted to electrical energy.

Answer 1

The battery contains stored chemical energy which is converted to electrical energy which is converted into mechanical energy.

Electrical energy is not stored in batteries but rather in capacitors.

Answer 2

I agree with nanosaravana that the answer is A